Fig. 5
From: Beyond bronchitis: a review of the congenital and acquired abnormalities of the bronchus
Williams-Campbell syndrome. a Frontal chest x-ray demonstrating bilateral architectural distortion and coarse interstitial markings with cystic appearing regions in the lower lobe consistent with the scarring and diffuse saccular bronchiectasis seen in Williams-Campbell syndrome. b Coronal CT imaging demonstrating the severe bilateral cystic bronchiectasis of the subsegmental (4th-6th generation) bronchi commonly seen in Williams-Campbell syndrome